Exchange control of target artifact you control and target artifact or creature you don't control.

This creature enters with four -1/-1 counters on it.
: Target creature can't block this creature this turn.
Whenever you cast a blue spell, remove a -1/-1 counter from this creature.
Whenever you cast a red spell, remove a -1/-1 counter from this creature.

Return up to one target instant card and up to one target sorcery card from your graveyard to your hand, then discard a card. Exile Shreds of Sanity.

Shredding Winds deals 7 damage to target creature with flying.

Sneak
Destroy target creature or enchantment. If an enchantment was destroyed this way, you lose 2 life.

Choose one —
• Target player discards two cards.
• Target player draws two cards and loses 2 life.

Equipped creature gets +2/+1.
When this Equipment enters, attach it to target creature you control.
Equip — Sacrifice another nonland permanent. Activate only once each turn.

Sneak
Deathtouch
Whenever Shredder enters or attacks, another target creature you control gains deathtouch until end of turn.

Whenever Shredder attacks a player, for each other opponent, create a token that's a copy of Shredder tapped and attacking that player, except it isn't legendary. Sacrifice those tokens at end of combat.
Whenever Shredder deals combat damage to a player, that player loses half their life, rounded up.

Whenever a creature the bosses control dies, the heroes lose 1 life.

Choose one —
• Destroy target artifact.
• Shredded Sails deals 4 damage to target creature with flying.
Cycling

Exile up to four target cards from a single graveyard.
Transmute

When this creature enters, you may sacrifice a creature. When you do, destroy target artifact an opponent controls.

As an additional cost to cast this spell, sacrifice an artifact.
Shrapnel Blast deals 5 damage to any target.

Choose target creature you control. Turn it face up if it's face down. Then it deals damage equal to its power to each other creature.

Until end of turn, creatures you control gain "When this creature dies, it deals 2 damage to target creature an opponent controls."

Shower of Sparks deals 1 damage to target creature and 1 damage to target player or planeswalker.

Shower of Coals deals 2 damage to each of up to three targets.
Threshold — Shower of Coals deals 4 damage to each of those permanents and/or players instead if there are seven or more cards in your graveyard.

Destroy target artifact, enchantment, or creature with flying. Scry 1.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Exile the top four cards of your library. Until the end of your next turn, you may play those cards.
, Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control.

Target creature gets +2/+4 until end of turn.

When you cast this spell, copy it for each other instant and sorcery spell you've cast this turn. You may choose new targets for the copies.
Put a +1/+1 counter on target creature. It gains vigilance until end of turn.

Each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

Until end of turn, all creatures gain ": Tap target creature."

If you aren't the starting player, you may cast Shove Aside as though it had flash.
Shove Aside deals 3 damage to target creature or planeswalker.

Support 2.
Draw a card.

When this enchantment enters, the Ring tempts you.
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on target creature you control.

Whenever this creature deals combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)

Equipped creature gets +1/+1.
Equip

Flash
Enchant artifact or creature
As long as enchanted permanent is a creature, it gets -3/-0 and loses flying.